This Total Micro 4-Cell 56WHr 15.2V Li-Ion battery meets or exceeds OEM specs and is for the Dell Latitude 3380, 3480, 3580, 3490, 3590 - Inspiron 15 (7570), (7573), (7577), (7586), 17 (7773), (7778), (7779), (7786). 1 year limited warranty